@article{liu1997,
  author  = {Liu, Maria},
  title   = {Systematic Field Measurement for Municipal Solid Waste Management},
  journal = {Open Access Journal of Engineering Applications},
  year    = {1997},
  volume  = {21},
  number  = {2},
  pages   = {774-786},
  issn    = {3105-7004},
  doi     = {10.55555/oajea.1997.2102.037},
  url     = {https://journal.bsaps.com/article/7454}
}